When attempting to start Worker Processes or Communication Processes, the processes fail with an error similar to:
20210208/131157.280 - U00003526 UCUDB: Database version ('0.0.0') does not match your program version ('12.2.2').
Component : AUTOMATION ENGINE
Improper configuration of SQLDRIVERCONNECT
In the log above, you can see the DB connection information:
20210208/131157.272 - U00003535 DB INFO: 'DATABASE-NAME = master'
20210208/131157.272 - U00003535 DB INFO: 'DBMS-NAME = Microsoft SQL Server'
20210208/131157.272 - U00003535 DB INFO: 'DBMS-VER = 13.00.5865'
20210208/131157.272 - U00003535 DB INFO: 'ODBC-VER = 03.80.0000'
20210208/131157.272 - U00003535 DB INFO: 'DRIVER-NAME = msodbcsql11.dll'
20210208/131157.272 - U00003535 DB INFO: 'DRIVER-ODBC-VER = 03.80'
20210208/131157.272 - U00003535 DB INFO: 'DRIVER-VER = 12.00.5543'
20210208/131157.272 - U00003535 DB INFO: 'ODBC-API-CONFORMANCE = 2'
20210208/131157.272 - U00003535 DB INFO: 'TXN-CAPABLE = 2'
20210208/131157.272 - U00003535 DB INFO: 'DEFAULT-TXN-ISOLATION = 2'
20210208/131157.272 - U00003535 DB INFO: 'TXN-ISOLATION-OPTION = 0000000000101111B ( 47)'
20210208/131157.272 - U00003535 DB INFO: 'POS-OPERATIONS = 0000000000011111B ( 31)'
20210208/131157.272 - U00003535 DB INFO: 'POSITIONED-STATEMENTS = 0000000000000111B ( 7)'
20210208/131157.272 - U00003535 DB INFO: 'SCROLL-CONCURRENCY = 0000000000001111B ( 15)'
20210208/131157.272 - U00003535 DB INFO: 'SCROLL-OPTIONS = 0000000000010111B ( 23)'
20210208/131157.272 - U00003535 DB INFO: 'STATIC-SENSITIVITY = 0000000000000101B ( 5)'
20210208/131157.272 - U00003535 DB INFO: 'LOCK-TYPES = 0000000000000001B ( 1)'
20210208/131157.272 - U00003535 DB INFO: 'ODBC_TRACE = 0'
If this connection does not match the expected database (i.e. master), please check the connection string SQLDRIVERCONNECT and make sure both the user and ID are correct.